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PHARI Base Phobos

Timothy Bishop, Thomas Lagarde, Zachary Taylor, Victor Kitmanyen SASAKAWA INTERNATIONAL CENTER FOR SPACE ARCHITECTURE (SICSA)


Contents › Competition Overview › Flight Planning

› Base Architecture › Space Port Architecture › Atmosphere Regulation › Crew Health › Power Systems › Q&A


AIAA Design Competition Requirements Competition Core Requirements › A fully functioning base on the Martian moon of Phobos › Site location must be the Stickney Crater › Accommodate a 12 person crew max for a duration of 24 months max

› Fully utilized RECLSS with at least 50% growable food › Microgravity / Radiation / Dust / Micrometeorite countermeasures › Spaceport for Earth / Mars crew transport › Planned rations for one missed re-supply mission


Flight Planning - Construction Location Location Requirements: Replacement hardware delivery Reliable communication Fuel cost vs payload mass

LEO

Cis-Lunar

Mars

Easy hardware replacement Communication reliable 1:24 Payload to Fuel ratio

Easy hardware replacement Communication reliable 1:66 Payload to Fuel ratio

Difficult hardware replacement Communication less reliable 1:136 Payload to Fuel ratio


Flight Planning – Launch Plan YEAR 1 - 4

YEAR 5

Crew Rotation

YEAR 6

YEAR 7

YEAR 8

YEAR 9

Expedition 1

Expeditions 2 & 3

Expedition 4 & 5

Expedition 6

On Orbit Activities

Satellite deployment

Truss extension TLA assembly

Support – Crew module dock Crew arrival / Outfitting (ongoing)

Crew – Command module dock Stock water and dry foods

VASIMR – Power – Support module dock Systems verification

Transit

Cargo

GPS Satellite (12)

TLA

Support Module / Crew Module / Supplies

Command Module / Supplies / Water

VASIMR / Power module /

Crew / Supplies

Location

Phobos

Phobos

LEO

LEO

LEO

Transit


Flight Planning – Transit Injection into HMO Altitude: 7,000 km Inclination: 7O

Earth gravity assist 2 month duration Delta-v: 4.3 m/s

Transit: 6 months

Phobos Altitude: 6,000 km Velocity: 2.1 km/s Inclination: 7O Phase Locked with Mars


Architecture – Truss Design


Architecture – Truss Landing Assembly


Architecture – Command Module

Systems Monitoring Greenhouse Galley / Ward Room Food Storage Storage, Laundry, Hygiene Secondary ECLSS


Architecture – Crew Module Crew Quarters Crew Quarters

Crew Quarters Crew Storage


Architecture – Support Module

Medical & ECLSS Astrobiology Lab Transfer Floor

Workshop Workshop storage


Architecture – Power Module Power Control Room Battery Bay Stator / Rotor Nuclear Reactor Chamber


Architecture - Greenhouse


Architecture - Greenhouse


Architecture - Spaceport


Atmosphere - ECLSS


ISRU and Refueling


Electrical Systems - Solar


Crew Health – Centrifuge Module

FC

Direction of Motion


Crew Health – Centrifuge Module


Crew Health – Centrifuge Module


Electrical Systems – Nuclear Module › Fluoride Salt cooling loop › Some excess heat fed to other modules › Battery compartments include: › Lithium-ion cells › DC-AC rectifier › Inverters Turbine › Voltage regulator › Batteries are removable / repairable Compressor › Radiation Barrier made from polyethylene Intercooler Heat Exchanger

Control Room Battery Bay Stator / Rotor Recuperator

Radiators

Radiation Barrier

Reactor


Electrical Systems – Reactor Cell Covering Pumps Secondary salt cycle pipes Outer steel casing Solid steel inner casing Heat Exchanger

Performance › 2.1 MWe › Assumptions › 80 MWt / m3 › 45% efficiency › Closed loop › 7 – 10 year life span › Thorium based reactor › No Proliferation concerns › Easily interchangable

Molten salt mixed with radioactive fuels Salt buffer Graphite core

Based on reactor design by Terrestrial Energy http://terrestrialenergy.com/


Conclusion


Question & Acknowledgements

PHARI BASE AIAA SICSA 2017  

Student competition organized by the AIAA, won first place for a group composed of ZachARY Taylor, Victor Kitmanyen, Timothy Bishop and Thom...

PHARI BASE AIAA SICSA 2017  

Student competition organized by the AIAA, won first place for a group composed of ZachARY Taylor, Victor Kitmanyen, Timothy Bishop and Thom...

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